Results 21 to 30 of about 2,373,078 (199)

Multi-Phase Gas Dynamics in a Weak Barred Potential [PDF]

open access: yes, 2001
The structure of the interstellar medium in the central kpc region of a galaxy with a weak bar-like potential is investigated taking into account realistic cooling and heating processes and the self-gravity of the gas.
Koda, J., Wada, K.
core   +2 more sources

Investigation of the Carbon Dioxide Centrifugal Compressor Working Process using Computational Fluid Dynamics Methods [PDF]

open access: yesProblems of the Regional Energetics
The article investigates the carbon dioxide (CO₂) centrifugal compressor using computational fluid dynamics (CFD). CO₂ centrifugal compressors are used in refrigeration and cryogenic systems, power plants with subcritical and transcritical cycles ...
Fateeva E.S.   +3 more
doaj   +1 more source

Real gas flows issued from a source [PDF]

open access: yesAnalysis and Mathematical Physics, 2019
14 pages, 8 ...
Valentin Lychagin, Mikhail Roop
openaire   +4 more sources

Energy Demand in Pakistan: A Disaggregate Analysis [PDF]

open access: yes
This study examines the demand for energy at disaggregate level (gas, electricity and coal) for Pakistan over the period 1972-2007. Over main results suggest that electricity and coal consumption responds positively to changes in real income per capita ...
Ahmed, Usman, Khan, Muhammad Arshad
core   +7 more sources

THE OPTIMUM OVERALL PRESSURE RATIO OF THE INTERCOOLED GAS TURBINE UNIT

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
In the article developed a mathematical model expansion and contraction of a real gas. Article shows the relationship between the isentropic efficiency of the compressor and the isentropic efficiency of the compressor stages. It was proved the need for a
N. G. Khasanov, A. B. Shigapov
doaj   +1 more source

A Comprehensive Model and Numerical Study of Shear Flow in Compressible Viscous Micropolar Real Gases

open access: yesAxioms
Understanding shear flow behavior in compressible, viscous, micropolar real gases is essential for both theoretical advancements and practical engineering applications.
Nelida Črnjarić, Ivan Dražić
doaj   +1 more source

Real-Time odor classification through sequential bayesian filtering [PDF]

open access: yes, 2015
The classification of volatiles substances with an e-nose is still a challenging problem, particularly when working under real-time, out-of-the-lab environmental conditions where the chaotic and highly dynamic characteristics of the gas transportation ...
Gonzalez-Jimenez, Antonio Javier   +1 more
core  

Computer program for high pressure real gas effects [PDF]

open access: yes, 1969
Computer program obtains the real-gas isentropic flow functions and thermodynamic properties of gases for which the equation of state is known. The program uses FORTRAN 4 subroutines which were designed for calculations of nitrogen and helium.
Johnson, R. C.
core   +1 more source

A committee machine gas identification system based on dynamically reconfigurable FPGA [PDF]

open access: yes, 2008
This paper proposes a gas identification system based on the committee machine (CM) classifier, which combines various gas identification algorithms, to obtain a unified decision with improved accuracy.
Amira, A   +4 more
core   +2 more sources

Mobile Monitoring Platform Design for Gas Drainage and Gas Power Generation in Guizhou Province

open access: yesMeikuang Anquan, 2020
Aiming at the problems of data multi-source heterogeneity, large data volume and data isolated islands in the process of gas drainage and gas power generation monitoring in Guizhou Province, based on data fusion and mobile query technology, the design ...
ZHANG Peng
doaj   +1 more source

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